Filming on the third season began at the end of March 2025, and the new episodes are expected to air in 2026, with the return of core cast Emma D’Arcy, Matt Smith, Olivia Cooke, Rhys Ifans, Ewan Mitchell, Tom Glynn-Carney and more. We’ll keep you posted as further production news arrives.

Tom Cullen (“The Gold,” “Trespasses”), Joplin Sibtain (“Andor,” “Safe”), and Barry Sloane (“Sandman,” “Revenge”) have all joined the upcoming season of the hit “Game of Thrones” prequel. Cullen will play Ser Luthor Largent, with Sibtain set as Ser “Bold” Jon Roxton and Sloane as Ser Adrian Redfort.

House of the Dragon has found three new knights of Westeros to join their ranks. Meet Ser Luthor Largent, Ser Jon Roxton, and Ser Adrian Redfort, who will be played by Tom Cullen (The Gold, Trespasses),